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Hi @Edilia Mota
Thank you for posting your question in the Q&A Forum.
Since you are using OneNote on MacOS, this issue is often related to permission sync or credential caching. To ensure your professor can open the link immediately, please try the following steps:
- Verify Sharing Permissions: Don't just copy the URL from your browser's address bar. Go to the notebook, click Share, select “Anyone with the link” or “People in your organization with the link”, click Apply, then copy the new link.
- Force Sync: Right-click the notebook and select Sync This Notebook before sharing. If syncing hasn’t completed, others may see errors such as Access Denied or Link not found.
- Test in Private Mode: Open a Guest or Incognito window and paste the link to ensure it works for others.
- Check MacOS Credentials: If the link works elsewhere but not for your professor, suggest trying a different browser to bypass cached credentials.
Let us know if the issue continues after updating the link permissions.
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